The Warehouse and Foodstuffs are reassuring customers they are doing everything they can to boost security in their stores.

News of New Zealand's infant formula contamination threat has spread across the world. Here is a selection of what the foreign press is saying.

1080 opponents have condemned those behind the baby formula threat letters, branding them "irresponsible" and their actions "total stupidity".

Should New Zealanders have been kept in the dark about the 1080 threats for nearly four months? The answer, on balance, is yes, writes John Armstrong.

After everything New Zealand's infant formula industry has been through over the past few years, the last thing it needed was yesterday's news of the 1080 threat.

Local infant formula producers are optimistic the 1080 threat is minimal but are fearful of the reputation damage it could cause.

Dairy product prices rose in the latest overnight GlobalDairyTrade auction.

Murray Goulburn, Australia's biggest dairy co-operative, has confirmed a full-year forecast farmgate price of A$6 per kg of milk solids.

New Zealand's export dollar does not stretch as far as it did, after the terms of trade fell 1.9 per cent in the last three months of 2014.

Fonterra chief financial officer Lukas Paravicini rejects the notion that the co-operative is playing safe in keeping this season's farm gate milk price forecast at $4.70 a kilogram of milksolids.

Fonterra's board will have reason for cautious optimism when it meets tomorrow to review its farmgate milk price forecast for 2014/15.

Dairy prices posted their fifth consecutive gain at this morning’s GlobalDairyTrade auction.

Dairy prices spiked higher at this morning's GlobalDairyTrade (GDT) auction, the GDT price index gaining 9.4 per cent since the last sale on January 21.

Reduced dairy production is expected to translate into higher prices at Wednesday's GlobalDairyTrade auction.

Fonterra will be spared having its multimillion-dollar fight with French food giant Danone spilling back into the public arena this year.

Prices continued to improve at this morning’s GlobalDairyTrade auction, the GDT price index gaining 1 per cent since the last sale a fortnight ago.

Falling milk powder prices have hit consumers' economic confidence in the key dairy regions of Southland and the Waikato, says Westpac.

Dairy farmers were offered a respite from what has so far been a dismal season for prices after the GlobalDairyTrade index gained 3.6 per cent at the first auction for 2015.

The international dairy trade has started 2015 on a positive note at this morning's GlobalDairyTrade auction, up 3.6 per cent on last month's auction.

Dairy prices mostly improved at this morning’s GlobalDairyTrade auction, the GDT price index gaining 2.4 per cent.